Product Information
| Brand | – |
| Model / Part No. | ST45-3H3 |
| Condition | Open Box |
| Description | NEW ST45-3H3 Intelligent Trip Unit is a microprocessor-based electronic protection unit designed for Air Circuit Breakers (ACBs). It provides accurate protection against overload, short-circuit, and electrical faults, ensuring reliable and safe operation of marine and industrial power distribution systems. Suitable for replacement and maintenance of compatible ACBs. |

















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